3spineconcertina (cut 'n' folded from one A3 sheet, no waste)

as it turns out two of the spines have been consumed by the saturation of folds :]

 

this one is a tricky number but worth the effort, was a little impatient so will have to refold this when i have a spare 5 hours haha

 

....more like 15 hours as it turns out, but the results are almost perfect with the second effort :)

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Taken on July 14, 2010